Clarence Edward Mulford Books

Johnny Nelson thought life on the Bar-20 was the best. Even after most of his friends had moved to the Tin Cup in Montana, he'd stayed on the Bar-20 in Texas. When farmers, sheep, barbed wire, and...

The Coming of Cassidy

By Clarence Edward Mulford

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Hopalong Cassidy

By Clarence Edward Mulford

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.